@openhps/core/dist/esm/three/materials/nodes/MeshNormalNodeMaterial.js

Open Hybrid Positioning System - Core component

import NodeMaterial from './NodeMaterial.js';
import { diffuseColor } from '../../nodes/core/PropertyNode.js';
import { directionToColor } from '../../nodes/utils/Packing.js';
import { materialOpacity } from '../../nodes/accessors/MaterialNode.js';
import { transformedNormalView } from '../../nodes/accessors/Normal.js';
import { colorSpaceToWorking } from '../../nodes/display/ColorSpaceNode.js';
import { float, vec4 } from '../../nodes/tsl/TSLBase.js';
import { SRGBColorSpace } from '../../constants.js';
import { MeshNormalMaterial } from '../MeshNormalMaterial.js';
const _defaultValues = /*@__PURE__*/new MeshNormalMaterial();

/**
 * Node material version of {@link MeshNormalMaterial}.
 *
 * @augments NodeMaterial
 */
class MeshNormalNodeMaterial extends NodeMaterial {
  static get type() {
    return 'MeshNormalNodeMaterial';
  }

  /**
   * Constructs a new mesh normal node material.
   *
   * @param {Object} [parameters] - The configuration parameter.
   */
  constructor(parameters) {
    super();

    /**
     * This flag can be used for type testing.
     *
     * @type {boolean}
     * @readonly
     * @default true
     */
    this.isMeshNormalNodeMaterial = true;
    this.setDefaultValues(_defaultValues);
    this.setValues(parameters);
  }

  /**
   * Overwrites the default implementation by computing the diffuse color
   * based on the normal data.
   */
  setupDiffuseColor() {
    const opacityNode = this.opacityNode ? float(this.opacityNode) : materialOpacity;

    // By convention, a normal packed to RGB is in sRGB color space. Convert it to working color space.

    diffuseColor.assign(colorSpaceToWorking(vec4(directionToColor(transformedNormalView), opacityNode), SRGBColorSpace));
  }
}
export default MeshNormalNodeMaterial;